
function ajaxInit () {
    var xmlhttp ;
    try {
        xmlhttp = new XMLHttpRequest() ;
    } catch ( ee ) {
        try {
            xmlhttp = new ActiveXObject ( " Msxml2 . XMLHTTP " ) ;
        } catch ( e ) {
            try {
                xmlhttp = new ActiveXObject ( " Microsoft . XMLHTTP " ) ;
            } catch (E) {
            xmlhttp = false ;
            }
        }
    }
    return xmlhttp ;
}